If NBA owners impose a player lockout at the end of the season, it could throw the arena industry into turmoil -- but it could also draw some unexpected artists on the road for new arena tours.

As part of a restructuring of the sports facilities in the Twin Cities, St. Paul Mayor Chris Coleman is proposing Target Center be downgraded to a practice facility and the Minnesota Timberwolves (NBA) move to an upgraded Xcel Energy Center -- but it's highly unlikely to happen.

Developer David Taylor is expected to present a downtown-Sacramento arena funding plan this week, but don't expect any resolution soon to the nagging problem of how to keep the Sacramento Kings (NBA) in town.

Extending a local sales tax used to fund Miller Park to build a new arena for the Milwaukee Bucks is already a nonstarter, as elected officials from both ends of the political spectrum come out in opposition to the proposal.